include / fastjet / internal

ClosestPair2D.hh File Reference

#include <vector>
#include <stack>
#include <iostream>
#include "fastjet/internal/ClosestPair2DBase.hh"
#include "fastjet/internal/SearchTree.hh"
#include "fastjet/internal/MinHeap.hh"

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Namespaces

namespace fastjet

Functions

bool floor_ln2_less (unsigned x, unsigned y)

returns true if floor(ln_base2(x)) < floor(ln_base2(y)), using Chan's neat trick.

Function Documentation

bool fastjet::floor_ln2_less ( unsigned x,

unsigned y

) [inline]

returns true if floor(ln_base2(x)) < floor(ln_base2(y)), using Chan's neat trick.
..
Definition at line 212 of file ClosestPair2D.hh.
Referenced by fastjet::ClosestPair2D::Shuffle::operator<().
00212 { 00213 if (x>y) return false; 00214 return (x < (x^y)); // beware of operator precedence... 00215 }

Generated on Mon Apr 2 20:57:57 2007 for fastjet by

1.4.2


Namespaces
namespace	fastjet
Functions
bool	floor_ln2_less (unsigned x, unsigned y)
	returns true if floor(ln_base2(x)) < floor(ln_base2(y)), using Chan's neat trick.